What is the role of hemoglobin in respiration?
A. Hemoglobin is responsible for the production of red blood cells in the bone marrow.
B. Hemoglobin regulates blood pH levels by binding to hydrogen ions.
C. Hemoglobin absorbs carbon dioxide in the lungs and releases oxygen in the tissues.
D. Hemoglobin transports oxygen from the lungs to the body’s tissues and carries carbon dioxide back to the lungs.
Select your answer:

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Lipid Metabolism Cells, Genetics & Heredity Review Functional Neuroanatomy of the CNS Infant Nutrition Skeleton Pathogens, Disease and Immunity Diseases Key Terms Viruses HNBS Intern Cell and Muscle Histology Functional Anatomy in Track & Field Gestalt Therapy Year 7 Nutrition Immunity & Cancer Nutrition in Humans and AnimalsOther quiz:
Pathophysiology_Endocrine › ViewThe “master gland” of the endocrine system, a gland that controls many body activities.
A. hormone
B. pituitary gland
C. hypothalamus
D. adrenal gland
History of Medicine › View
What is the placebo effect?
A. The placebo effect is caused by the patient’s genetics
B. The placebo effect only works on physical symptoms, not psychological ones
C. The placebo effect is a result of the patient’s diet
D. A patient’s symptoms can be alleviated by an inactive substance due to the individual’s belief in its effectiveness.